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Robust H-infinity Filtering with Auxiliary Past Output Measurements

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Autor(es):
Frezzatto, Luciano ; de Oliveira, Mauricio C. ; Oliveira, Ricardo C. L. F. ; Peres, Pedro L. D. ; IEEE
Número total de Autores: 5
Tipo de documento: Artigo Científico
Fonte: 2016 AMERICAN CONTROL CONFERENCE (ACC); v. N/A, p. 6-pg., 2016-01-01.
Resumo

In this paper, the problem of robust H-infinity filter design for uncertain time-invariant discrete-time linear systems is addressed. The filter makes use of an arbitrary number of past output measurements. The filter stores the measurements in a buffer and is therefore of order higher than the system being filtered. The robust filtering design conditions are based on Lyapunov matrices with polynomial parameter dependency and are solvable as convex optimization problems with Linear Matrix Inequalities as constraints. A numerical example illustrates the features and improvements of the proposed approach with respect to existing methods. (AU)

Processo FAPESP: 14/23074-2 - Projeto de filtros e controladores com memória para sistemas incertos discretos no tempo
Beneficiário:Luciano Antonio Frezzatto Santos
Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Doutorado